[1]Bortnicketal.[JournaloftheAmericanChemicalSociety,1956,vol.78,p.4039,4040]
[2]Ishidate,M.etal.[Chemicalandpharmaceuticalbulletin,1960,vol.8,p.99-103]Gelbard,G.;Rumpf,P.[BulletindelaSocieteChimiquedeFrance,1969,p.1161-1170]
[1]Psarras,T.G.etal.[JustusLiebigsAnnalenderChemie,1962,vol.655,p.48-54]
[2]Mazheika,I.B.etal.[JournalofgeneralchemistryoftheUSSR,1979,vol.49,p.2233-2238][ZhurnalObshcheiKhimii,1979,vol.49,p.2528-2533]
[1]Urtane,I.P.;Zelchan,G.I.;Lukevits,E.;Mazheika,I.B.;Gaukhman,A.P.[JournalofgeneralchemistryoftheUSSR,1988,vol.58,#9,p.1902-1910][ZhurnalObshcheiKhimii,1988,vol.58,#9,p.2135-2144]
[1]Osman,F.H.;El-Hamouly,W.S.;Abdel-Gawad,M.M.;Abbasi,M.M.[PhosphorusandSulfurandtheRelatedElements,1982,vol.14,p.1-6]
[1]Dutasta,Jean-Pierre[JournalofChemicalResearch,Miniprint,1986,#1,p.361-385]